Ambilight Inc vs. LannRay Optoelectronics (Zhenjiang) Co. Ltd. et al.

Explore the PTAB proceeding PGR2026-00053 filed by Ambilight Inc on 2026-06-01. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

PGR2026-00053

Filing Date

2026-06-01

Accorded Filing Date

2026-08-20

Institution Decision Date

—

Last Modified Date

2026-08-31

Proceeding Type

PGR

Termination Date

—

Trial Status

Pending

Parties & Counsel

Petitioner

Ambilight Inc

Represented By

Cleland, Jameset al

Patent Owner / Respondent

LannRay Optoelectronics (Zhenjiang) Co. Ltd. et al.

Represented By

LI, ZIYONGet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2800 - Semiconductors, Electrical & Optical Systems

Patent Information

1 Patent Involved

Respondent Application Number 18606980

Respondent Patent Number 12502870

External Links

Espacenet

Google Patents

Respondent Inventor Zhao CHEN et al

Respondent Tech Center TC 2800 - Semiconductors, Electrical & Optical Systems

Address and Attorney/Agent Information

11 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Sheppard Mullin Richter & Hampton LLP - Weiguo Chen

Customer Number 139780

Address 650 Town Center Drive, 10th Floor, Costa Mesa, CA, 92626, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
36727	Daniel Yannuzzi	858-720-8924
44857	William Lambert	650-815-2644
55199	Huanyong Gao	213-620-1780
60523	Alex Nie	650-815-2600
61878	Weiguo Chen	650-815-2692
69644	Jonathan Marina	626-203-8090
70890	Xin Xie	703-597-4249
75191	Jie Zheng	650-352-1962
75224	Yang Li	202-639-1327
80050	Pengju Shang	650-815-2600
82810	Fangzhou Qiu	650-815-2652

Proceeding Documents

Order: According the Petition a New Filing Date ORDER

2026-08-31 FILING PARTY: BOARD

Download

3101

Email Correspondence Exhibit

2026-08-31 FILING PARTY: BOARD

Download

Petitioner's Updated Mandatory Notices NOTICE

2026-08-20 FILING PARTY: PETITIONER

Download

2026

US11969970 Exhibit

2026-08-06 FILING PARTY: PATENT OWNER

Download

2006

Declaration of Yinyin Zhou Exhibit

2026-08-06 FILING PARTY: PATENT OWNER

Download

Ambilight Inc vs. LannRay Optoelectronics (Zhenjiang) Co. Ltd. et al.

Proceeding Overview

Parties & Counsel

Petitioner

Ambilight Inc

Represented By

Patent Owner / Respondent

LannRay Optoelectronics (Zhenjiang) Co. Ltd. et al.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Order: According the Petition a New Filing Date ORDER

Email Correspondence Exhibit

Petitioner's Updated Mandatory Notices NOTICE

US11969970 Exhibit

Declaration of Yinyin Zhou Exhibit

EP4209836_International Search Report (CN) Exhibit

Enterprise Credit Info Pub. Rep. (Suzhou Ambilight) Exhibit

Nanjing Echerial Exhibit

EP4209836_Information on Entry into the European Phase Exhibit

Ambilight Inc. (Shenzhen) Exhibit

Overview Furcifer Inc Exhibit

Patent Owner's Request for Discretionary Denial RESPONSE

Google Webpage for US12502870B2 Exhibit

EP4209836_International Search Report (filed translation) Exhibit

Suzhou Ambilight Exhibit

Enterprise Credit Info Pub. Rep. (Ambilight Int. Tech.) Exhibit

Enterprise Credit Info Pub. Rep. (Nanjing Echerial) Exhibit

EP4209836_Request for Entry into the European Phase Exhibit

Enterprise Credit Info Pub. Rep. (Ambilight Shenzhen) Exhibit

Declaration of Jian Wang Exhibit

Declaration of Carlton Hemphill Exhibit

Yu Han - LannRay Translation Certificate Exhibit

Bill of Lading for MAEU261238016 Exhibit

EP4209836 - Applicant Info - European Patent Register Exhibit

US12502870_Assignment History Exhibit

Ambilight Inc. California Registration Exhibit

Ambilight Website - About Exhibit

Declaration of Sean Li Exhibit

Jun Zhang - LannRay Translation Certificate Exhibit

Ambilight About Website CN Exhibit

US12030277 Exhibit

Bill of Lading for EGLV142450069977 Exhibit

Ambilight Intelligent Tech. Exhibit

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice filing date accorded to Petition NOTICE

File History of the ’870 Patent Exhibit

"Novel Electrochromic Materials and Devices" Exhibit

U.S. Patent No. 5,610,756 Exhibit

U.S. Patent No. 12,502,870 Exhibit

WO 03/011688 Exhibit

"Microcontrolled Electrooptic System for Online Light Transmission Control" Exhibit

Petition for Post Grant Review of U.S. Patent No. 12,502,870 PETITION

"Electrochromics for Smart Windows" Exhibit

U.S. Patent No. 4,519,930 Exhibit

Petitioner's Power of Attorney NOTICE

"Solid-State Monolithic Electrochromic Switchable Visors and Spectacles" Exhibit

Tonar (U.S. Patent No. 6,700,692) Exhibit

Gauthier (U.S. Patent No. 9,810,963) Exhibit

U.S. Patent No. 5,233,461 Exhibit

Declaration of Dr. Colin Wolden Exhibit

U.S. Patent No. 6,195,193 Exhibit

Xu (U.S. Patent No. 7,826,124) Exhibit

U.S. Patent No. 4,712,879 Exhibit

"Durability of Electrochromic Switching Devices for Glazings" Exhibit